2509434 has 16 divisors (see below), whose sum is σ = 5576640. Its totient is φ = 836460.

The previous prime is 2509433. The next prime is 2509483. The reversal of 2509434 is 4349052.

2509434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2509398 and 2509407.

It is not an unprimeable number, because it can be changed into a prime (2509433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23182 + ... + 23289.

It is an arithmetic number, because the mean of its divisors is an integer number (348540).

2^2509434 is an apocalyptic number.

2509434 is an abundant number, since it is smaller than the sum of its proper divisors (3067206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2509434 is a wasteful number, since it uses less digits than its factorization.

2509434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46482 (or 46476 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2509434 is about 1584.1193136882. The cubic root of 2509434 is about 135.8913853093.

The spelling of 2509434 in words is "two million, five hundred nine thousand, four hundred thirty-four".